[INFO] fetching crate loro-thunderdome 0.6.2...
[INFO] checking loro-thunderdome-0.6.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate loro-thunderdome 0.6.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate loro-thunderdome 0.6.2 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loro-thunderdome 0.6.2
[INFO] finished tweaking crates.io crate loro-thunderdome 0.6.2
[INFO] tweaked toml for crates.io crate loro-thunderdome 0.6.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c0def5c46e592f1857e05c21ab98b3a2a99d1251f3274946bc4888274b32626
[INFO] running `Command { std: "docker" "start" "-a" "4c0def5c46e592f1857e05c21ab98b3a2a99d1251f3274946bc4888274b32626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c0def5c46e592f1857e05c21ab98b3a2a99d1251f3274946bc4888274b32626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0def5c46e592f1857e05c21ab98b3a2a99d1251f3274946bc4888274b32626", kill_on_drop: false }`
[INFO] [stdout] 4c0def5c46e592f1857e05c21ab98b3a2a99d1251f3274946bc4888274b32626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f81ce41caed8ac67798b13dddd262da3e3f1fc9548239a9dfc13b5e4173d29e
[INFO] running `Command { std: "docker" "start" "-a" "8f81ce41caed8ac67798b13dddd262da3e3f1fc9548239a9dfc13b5e4173d29e", kill_on_drop: false }`
[INFO] [stderr]     Checking loro-thunderdome v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/arena.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |     pub fn insert_at(&mut self, index: Index, value: T) -> Option<T> {
[INFO] [stdout]     |                                               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 361 |         self.insert_at_inner(index.slot, Some(index.generation), value)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loro-thunderdome` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/arena.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |     pub fn insert_at(&mut self, index: Index, value: T) -> Option<T> {
[INFO] [stdout]     |                                               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 361 |         self.insert_at_inner(index.slot, Some(index.generation), value)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loro-thunderdome` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8f81ce41caed8ac67798b13dddd262da3e3f1fc9548239a9dfc13b5e4173d29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f81ce41caed8ac67798b13dddd262da3e3f1fc9548239a9dfc13b5e4173d29e", kill_on_drop: false }`
[INFO] [stdout] 8f81ce41caed8ac67798b13dddd262da3e3f1fc9548239a9dfc13b5e4173d29e